BB Assistant Director (General) July 2026 – Preliminary question & solution

Questions from the BB Assistant Director (General) recruitment exam, July 2026 – Preliminary, shared by the candidates who sat it. The paper: 100 MCQs. So far 100 MCQs have been shared. Topics include Mathematics, English, Bangla, General Knowledge and Network Security.

MCQ (100)

  1. Choose the option where the suffix or prefix has been wrongly used.
    1. a) Antithesis
    2. b) Antifreeze
    3. c) Unfield
    4. d) Infiltrate
  2. Choose the option where the suffix or prefix has been wrongly used.
    1. a) Decode
    2. b) Encode
    3. c) Disembark
    4. d) Disbrace
  3. Choose the option where the suffix or prefix has been wrongly used.
    1. a) Nepotism
    2. b) Regitism
    3. c) Effervescent
    4. d) Euphemism
  4. Choose the option where the suffix or prefix has been wrongly used.
    1. a) Omniferous
    2. b) Permeable
    3. c) Perspicacity
    4. d) Familiarize
  5. Read the text below and decide which option (A, B, C, or D) best fits each gap. Originating primarily in Russian fairy tales, the Firebird…
    1. a) flagrant
    2. b) malevolent
    3. c) pretentious
    4. d) flamboyant
  6. Read the text below and decide which option (A, B, C, or D) best fits each gap. In some classic tales, the bird is famous for stealing a…
    1. a) pallid
    2. b) coveted
    3. c) adorned
    4. d) endeared
  7. Read the text below and decide which option (A, B, C, or D) best fits each gap. In other stories as well, it is depicted as a mischievous…
    1. a) whimsical
    2. b) depraved
    3. c) voyeuristic
    4. d) churlish
  8. Read the text below and decide which option (A, B, C, or D) best fits each gap. Till date, the firebird remains (8)____, as no one has…
    1. a) deceptive
    2. b) paranormal
    3. c) elusive
    4. d) ingenue
  9. Identify the word which has been used inaccurately in the given sentence. He respectedly requested everyone to take their seats so that…
    1. a) respectedly
    2. b) take
    3. c) begin
    4. d) perfunctorily
  10. Identify the word which has been used inaccurately in the given sentence. Recent studies have been very useful in mapping the cognitive…
    1. a) mapping
    2. b) cognitive
    3. c) human
    4. d) specificity
  11. Identify the word which has been used inaccurately in the given sentence. An investment fund must prepare disclosure documents that are…
    1. a) prepare
    2. b) contains
    3. c) are
    4. d) transparent
  12. Identify the word which has been used inaccurately in the given sentence. The advisor told the politician that his message needed to be…
    1. a) celibated
    2. b) needed
    3. c) advisor
    4. d) broader
  13. Select the word opposite in meaning to "pernicious": "Spreading false rumors online has a pernicious influence on public trust."
    1. a) destructive
    2. b) empowering
    3. c) beneficial
    4. d) profound
  14. Select the word opposite in meaning to "esoteric": "I had hoped the seminar would attract a large audience, but the information was too…
    1. a) obscure
    2. b) simple
    3. c) abstruse
    4. d) irrelevant
  15. Select the word opposite in meaning to "laconic": "The coach was famous for laconic press conferences, often answering with a simple nod."
    1. a) succinct
    2. b) verbose
    3. c) innovative
    4. d) indifferent
  16. Select the word opposite in meaning to "tenacious": "The investigative journalist was tenacious in her quest to uncover the truth behind…
    1. a) irresolute
    2. b) wavering
    3. c) obnoxious
    4. d) exuberant
  17. Choose the option where the underlined word "assent" has been used correctly. (i) The climbers found that the final assent to the summit…
    1. a) i only
    2. b) ii only
    3. c) iii only
    4. d) All are correct
  18. Choose the option where the underlined word "discreet" has been used correctly. (i) The company divided the large project into three…
    1. a) i only
    2. b) ii only
    3. c) iii only
    4. d) All are correct
  19. Choose the most appropriate answer. Which of the following is not a comparative form of an adjective?
    1. a) Farther
    2. b) Further
    3. c) Later
    4. d) Latter
  20. ‘শেরে বাংলা মহান ছিলেন নেতা’ - এখানে বাক্য গঠনের কোন বৈশিষ্ট্য লঙ্ঘিত হয়েছে?
    1. a) আকাঙ্ক্ষা
    2. b) আসত্তি
    3. c) আসক্তি
    4. d) যোগ্যতা
  21. নিচের কোনটি অভিশ্রুতির উদাহরণ?
    1. a) রাধিয়া > রাইধ্যা > রেঁধে
    2. b) কর্তব্য > কাজ > কাম
    3. c) প্রেম > পেরেম > পেম
    4. d) শ্রেষ্ঠ > শ্রেষ্ট > শেরেষ্ট
  22. নিচের কোন ধ্বনিটি উষ্ম ধ্বনি হলেও শিস ধ্বনি নয়?
    1. a) শ
    2. b) স
    3. c) হ
    4. d) ষ
  23. পদাত্মক দ্বিরুক্তির উদাহরণ কোনটি?
    1. a) কড়কড়
    2. b) রোজ রোজ
    3. c) মিউমিউ
    4. d) ঝমঝম
  24. ‘ফ’ ধ্বনির ধ্বনিতাত্ত্বিক পরিচয় কী?
    1. a) ওষ্ঠ্য, মহাপ্রাণ ও ঘোষ
    2. b) কণ্ঠ্য, অল্পপ্রাণ ও অঘোষ
    3. c) ওষ্ঠ্য, অল্পপ্রাণ ও অঘোষ
    4. d) ওষ্ঠ্য, মহাপ্রাণ ও অঘোষ
  25. ‘সম্পৃক্ত’ শব্দটির সঠিক অর্থ কী?
    1. a) সংযুক্ত
    2. b) আটবাধা
    3. c) অন্তর্ভুক্ত
    4. d) দুই বা তার অধিকের মিলন
  26. নিচের কোন বাক্যটিতে সংযোগমূলক ধাতু ব্যবহৃত হয়েছে?
    1. a) কাজটা ভালো দেখায় না
    2. b) এটা একটা ঝুল বারান্দা
    3. c) তুই ভোট দে
    4. d) আমার খাওয়া হলো না
  27. মধ্যযুগীয় বাংলা সাহিত্যে ‘শ্রীকৃষ্ণকীর্তন’-এর রচয়িতা বড়ু চণ্ডীদাসের প্রকৃত নাম কী?
    1. a) অনন্ত
    2. b) চণ্ডীবাবু
    3. c) বড়ু দত্ত
    4. d) জয়ন্ত
  28. বিশিষ্ট সাহিত্যিক শহীদুল জহিরের কোন গল্পে সার্থকভাবে জাদুবাস্তবতা ব্যবহৃত হয়েছে?
    1. a) পারাপার
    2. b) তোরাব শেখ
    3. c) মাটি ও মানুষের রং
    4. d) কাঠুরে ও দাঁড়কাক
  29. সৈয়দ ওয়ালীউল্লাহর লেখা ‘লালসালু’ উপন্যাসের অন্যতম প্রধান একটি নারী চরিত্রের নাম কী?
    1. a) জমিলা
    2. b) জোহরা
    3. c) রাবেয়া
    4. d) তাহেরা
  30. কোন গল্পটিকে বাংলা সাহিত্যের প্রথম ‘সার্থক’ ছোটগল্প হিসেবে গণ্য করা হয়?
    1. a) বঙ্কিমের ‘রাধারাণী’
    2. b) বিদ্যাসাগরের ‘শকুন্তলা’
    3. c) রবীন্দ্রনাথের ‘দেনা-পাওনা’
    4. d) প্যারীচাঁদ মিত্রের ‘অভেদী’
  31. বাংলাদেশের সাহিত্যে পরাবাস্তববাদী কবি আবদুল মান্নান সৈয়দের বিখ্যাত কবিতার বই কোনটি?
    1. a) ক্ষুধা প্রেম আগুন
    2. b) জ্যোৎস্না রৌদ্রের চিকিৎসা
    3. c) হে সংসার হে লতা
    4. d) ভেসেছিলেম ভাঙা ভেলায়
  32. বাংলা ভাষায় ‘বাবা’ শব্দটি কোন ভাষা থেকে এসেছে?
    1. a) তুর্কি
    2. b) ফরাসি
    3. c) ফারসি
    4. d) আরবি
  33. যে সমাসে পূর্বপদের বিভক্তি লোপ হয় না তাকে কি বলে?
    1. a) নিত্য সমাস
    2. b) অলুক সমাস
    3. c) প্রাদি সমাস
    4. d) দ্বিগু সমাস
  34. নিচের কোন শব্দের উচ্চারণে ‘স্বতন্ত্র ঞ’ রয়েছে?
    1. a) জ্ঞান
    2. b) অঞ্চল
    3. c) ঝঞ্ঝা
    4. d) মিঞা
  35. সন্ধি বিচ্ছেদ করুন: ‘কতক’।
    1. a) কত + আক
    2. b) কত + অক
    3. c) কত + এক
    4. d) কতঃ + ক
  36. ‘সামান্য একটু দুধ দাও’ - বাক্যটিতে ‘একটু’ পদটি হচ্ছে -
    1. a) পরিমাণবাচক বিশেষণ
    2. b) পূরণবাচক বিশেষণ
    3. c) ক্রিয়া বিশেষণ
    4. d) বিশেষণের বিশেষণ
  37. এক এককের তিন ভাগের এক ভাগকে কি বলা হয়?
    1. a) তেহাই
    2. b) তিনেক
    3. c) তিরিক্কে
    4. d) তেনাংশ
  38. নিচের কোন বাক্যটি শুদ্ধ?
    1. a) এ কথা প্রমাণ হয়েছে
    2. b) এটা লজ্জাস্কর ব্যাপার
    3. c) উপরোক্ত বাক্যটি শুদ্ধ নয়
    4. d) তাকে এখান থেকে যেতে হবে
  39. এক কথায় প্রকাশ করুন: ‘এক বস্তুতে অন্য বস্তুর কল্পনা’।
    1. a) অন্যধাস
    2. b) অনধ্যাস
    3. c) অধ্যাস
    4. d) বিন্যাস
  40. Two pipes fill a tank in 20 and 30 minutes; a drain empties it in 15 minutes. If the tank is half full, and the pipes and the drain are…
    1. a) 20 minutes
    2. b) 24 minutes
    3. c) 30 minutes
    4. d) 36 minutes
  41. A viral post's share-count starts at 3. Each next value equals twice the previous minus 1. Find the 5th term.
    1. a) 33
    2. b) 31
    3. c) 29
    4. d) 28
  42. What is the minimum number of plants one should have so that they can be arranged in 12, 15 or 18 rows and also be arranged in equal…
    1. a) 180
    2. b) 900
    3. c) 144
    4. d) 225
  43. A lift serves floors 1 through 16, moving one floor every 12 seconds. It waits 48 seconds at both endpoints. It can complete how many…
    1. a) 46
    2. b) 48
    3. c) 50
    4. d) 52
  44. What should be the ratio of sugar in a mixture costing BDT 50 per kg and BDT 55 per kg, such that there will be 10% profit if the mixture…
    1. a) 10:11
    2. b) 10:1
    3. c) 1:10
    4. d) 6:5
  45. In triangle ABC, the external bisectors of the angles B and C intersect at point O. If angle A is 90 degrees, then the measure of the…
    1. a) 90°
    2. b) 75°
    3. c) 60°
    4. d) 45°
  46. Find the value of (√3 + 1)(10 + √12)(√12 − 2)(5 − √3).
    1. a) 224
    2. b) 176
    3. c) 148
    4. d) 124
  47. A circle is inscribed in a right triangle with legs 9 and 12. Find its radius.
    1. a) 2
    2. b) 3
    3. c) 3.5
    4. d) 4
  48. In a GP, the 3rd term is 12 and the 6th term is 96. Find the sum of the first 8 terms.
    1. a) 510
    2. b) 765
    3. c) 1020
    4. d) None
  49. The present age of a father and his son are in ratio 7:2. Five years ago the ratio was 6:1. Find the sum of their present ages.
    1. a) 45 years
    2. b) 40 years
    3. c) 35 years
    4. d) 30 years
  50. How many positive divisors of 7200 are perfect squares?
    1. a) 8
    2. b) 10
    3. c) 12
    4. d) 15
  51. For x > 0, what is the minimum value of x + 16/x?
    1. a) 4
    2. b) 8
    3. c) 12
    4. d) 16
  52. A cistern is normally filled in 6 hours, but a leak makes it take 8 hours. How long would the leak alone take to empty a full cistern?
    1. a) 24 hours
    2. b) 30 hours
    3. c) 36 hours
    4. d) 48 hours
  53. Nasif's watch gains 4 minutes per hour. It was correct at 2:00 pm yesterday. When it displays 6:00 am today, what is the accurate time?
    1. a) 4:00 am
    2. b) 4:30 am
    3. c) 5:00 am
    4. d) 5:30 am
  54. ab is negative and a² + b² is greater than 0, but less than 114. What is the minimum value of ab?
    1. a) -45
    2. b) -48
    3. c) -49
    4. d) -56
  55. If positive integers m and n satisfy m+n<10, how many distinct values can mn assume?
    1. a) 16
    2. b) 17
    3. c) 18
    4. d) 20
  56. Find the smallest positive integer that leaves remainder 3 when divided by 7, remainder 4 when divided by 9, and remainder 8 when divided…
    1. a) 256
    2. b) 283
    3. c) 361
    4. d) 428
  57. A circular garden's diameter has endpoints at coordinates (2,3) and (8,11). Find its area in terms of π.
    1. a) 100π
    2. b) 50π
    3. c) 25π
    4. d) 10π
  58. Nasrin and Farid can finish a project in 12 and 18 days. They work together for 4 days, then Nasrin leaves. How many more days does Farid…
    1. a) 6 days
    2. b) 8 days
    3. c) 12 days
    4. d) 13 days
  59. In a factory, yield drops 10% each stage: cutting, sewing, finishing. To ship 729 flawless shirts, how many starting materials (in shirts)…
    1. a) 867
    2. b) 1000
    3. c) 1458
    4. d) 1800
  60. Fill the blank in the following letter series: QAR, RAS, SAT, TAU, ____
    1. a) UAV
    2. b) UAT
    3. c) TAS
    4. d) TAT
  61. If 8 Ω 5 = 3048 and 7 Ω 4 = 2442, then 6 Ω 3 = ?
    1. a) 1830
    2. b) 1836
    3. c) 1840
    4. d) 1848
  62. If "WATER" is coded as "YCVGT", how is "FIRE" coded?
    1. a) HKTG
    2. b) GLTH
    3. c) HTGL
    4. d) LGJK
  63. If yesterday was a day that is two days before Thursday, what day is tomorrow?
    1. a) Friday
    2. b) Monday
    3. c) Tuesday
    4. d) Wednesday
  64. A man walks 5 km north, turns right and walks 3 km, then turns right and walks 5 km. How far and in which direction is he from his…
    1. a) 3 km East
    2. b) 3 km West
    3. c) 8 km East
    4. d) 5 km South
  65. In a class, Rahim ranks 7th from the top and 26th from the bottom. How many students are in the class?
    1. a) 32
    2. b) 35
    3. c) 37
    4. d) 40
  66. Three of the following four are alike in a certain way and so form a group. Which is the one that does not belong to that group ?
    1. a) Onion
    2. b) Ginger
    3. c) Garlic
    4. d) Pepper
  67. What is the next in the sequence: 6, 14, 30, 62, ____?
    1. a) 86
    2. b) 126
    3. c) 147
    4. d) 210
  68. A is the brother of B. B is the sister of C. C is the father of D. What is the relationship of A with D?
    1. a) Father
    2. b) Brother
    3. c) Uncle
    4. d) Cousin
  69. If 5 # 3 = 16 and 7 # 2 = 18, then 6 # 4 = ?
    1. a) 18
    2. b) 20
    3. c) 22
    4. d) 24
  70. Find the word that names a necessary part of a 'shoe'.
    1. a) sole
    2. b) leather
    3. c) laces
    4. d) walking
  71. People of Bush tribe are always known to speak the truth. People of the Kush tribe are always known to tell lies. ABC says to PQR, 'I am…
    1. a) 1
    2. b) 2
    3. c) 3
    4. d) Cannot Say
  72. All the faces of a cube are painted with blue colour. Then it is cut into 64 small equal cubes. How many small cubes will be formed having…
    1. a) 4
    2. b) 8
    3. c) 16
    4. d) 32
  73. In a dictionary, which of the following words comes first?
    1. a) Referendum
    2. b) Referable
    3. c) Reference
    4. d) Refection
  74. Which word does NOT belong with the others?
    1. a) twine
    2. b) cord
    3. c) tape
    4. d) yarn
  75. Nurse Kemp has worked more night shifts in a row than Nurse Rogers, who has worked five. Nurse Miller has worked fifteen night shifts in a…
    1. a) Eight
    2. b) Nine
    3. c) Ten
    4. d) Eleven
  76. Play is to actor as concert is to –
    1. a) symphony
    2. b) musician
    3. c) percussion
    4. d) piano
  77. The total number of legs of a group of cows and chickens is 14 more than twice the total number of their heads. How many cows are there in…
    1. a) 5
    2. b) 6
    3. c) 7
    4. d) 9
  78. Which individual sport below doesn't fit with others?
    1. a) Cycling
    2. b) Marathon
    3. c) Swimming
    4. d) Archery
  79. What is the next number in the series: 1, ½, ¼, …?
    1. a) 1/3
    2. b) 1/6
    3. c) 1/8
    4. d) 1/16
  80. According to the index of Economic Freedom-2026, which country tops the list?
    1. a) USA
    2. b) Germany
    3. c) Singapore
    4. d) China
  81. As per the Monetary Policy Statement (July–December 2026), the Standing Lending Facility (SLF) rate will remain at:
    1. a) 10%
    2. b) 11.5%
    3. c) 7.5%
    4. d) 8.3%
  82. Which currency was the last addition to the IMF's Special Drawing Rights (SDR) valuation basket?
    1. a) Franc
    2. b) Yen
    3. c) Renminbi
    4. d) Sterling
  83. If a central bank wants to curb inflation by tightening monetary policy, which of the following actions would it most likely take?
    1. a) Increase the policy (repo) rate
    2. b) Lower the Cash Reserve Ratio (CRR)
    3. c) Reduce the Statutory Liquidity Ratio (SLR)
    4. d) Purchase government securities in the open market
  84. Bangladesh Bank launched Risk-Based Supervision (RBS) in January 2026, replacing which previous supervisory rating system?
    1. a) CRAR
    2. b) BASEL III
    3. c) CAMELS
    4. d) ECL
  85. What is the highest refinancing rate for the 'digital' or 'e-loan' according to latest policy of central bank?
    1. a) 8%
    2. b) 9%
    3. c) 10%
    4. d) 11%
  86. The CAMELS rating system used by bank supervisors evaluates all of the following EXCEPT:
    1. a) Asset quality
    2. b) Management
    3. c) Turnover
    4. d) Earnings
  87. What is the amount of the stimulus package by the central bank to facilitate the credit flow in private sector?
    1. a) BDT 450 Billion
    2. b) BDT 500 Billion
    3. c) BDT 550 Billion
    4. d) BDT 600 Billion
  88. A progressive tax system is one in which:
    1. a) Everyone pays the same fixed tax amount
    2. b) The tax rate decreases as income increases
    3. c) Tax is levied only on corporate profits
    4. d) The tax rate increases as income increases
  89. Bangladesh Bank (BB) has recently directed commercial banks to keep the weighted average spread between lending and deposit rates within:
    1. a) 3%
    2. b) 3.5%
    3. c) 4%
    4. d) 4.5%
  90. A type of malicious software that infects computer systems, encrypts files, or locks users out of their devices is called –
    1. a) Ransomware
    2. b) Trojan horse
    3. c) XSS injection
    4. d) Denial of Service (DoS)
  91. Which of the following is a core banking software?
    1. a) QuickBooks
    2. b) Unix
    3. c) SAP
    4. d) T24
  92. Which protocol is used to send email from a client to a mail server?
    1. a) HTTP
    2. b) FTP
    3. c) SMTP
    4. d) TCP/IP
  93. Which of the following is a volatile memory that loses its contents when power is off?
    1. a) Flash drive
    2. b) RAM
    3. c) Hard disk
    4. d) ROM
  94. What type of cyberattack specifically uses deceptive emails, websites, or text messages to trick individuals into revealing sensitive…
    1. a) Man-in-the-middle
    2. b) Phishing
    3. c) Eavesdropping
    4. d) SQL injection
  95. What is the name of the firmware embedded on the motherboard that initializes hardware components during the booting process before…
    1. a) BIOS / UEFI
    2. b) CMOS Battery
    3. c) Kernel
    4. d) Chipset Driver
  96. Which of the following is a high-level programming language?
    1. a) Machine code
    2. b) C++
    3. c) Assembly language
    4. d) C
  97. Which device is used to connect multiple computers within the same wired local network to share data?
    1. a) Switch
    2. b) Router
    3. c) Modem
    4. d) Repeater
  98. The keyboard keys 'Shift', 'Ctrl', and 'Alt' are called –
    1. a) Function Key
    2. b) Numeric Key
    3. c) Decoder Key
    4. d) Modifier Key
  99. What type of file uses the '.ini' extension?
    1. a) Hypertext File
    2. b) Image File
    3. c) System File
    4. d) Video File
  100. Mr. Joynal was absolved ____ the criminal case.
    1. a) with
    2. b) of
    3. c) with
    4. d) off